Steffes Electric Thermal Storage systems are smarter, cleaner, and greener
solutions that provide reliable warmth to homes and businesses.
But how do they work?
On this page:
What is Electric Thermal Storage?
Behind every Steffes furnace is a smarter way to use electricity. Rather than generating heat only when your thermostat calls for it, Steffes heating systems are powered by advanced Electric Thermal Storage (ETS) technology, storing energy when it costs less and delivering dependable warmth whenever you need it.
Steffes ETS systems gain efficiency by taking advantage of off-peak electricity, which is charged at a lower rate since it is consumed during times when demand on the electrical grid is low.
Steffes ETS systems convert off-peak electricity to heat and store it in heating elements contained within high-density ceramic bricks. With the Steffes ETS systems’ abilities to store vast amounts of heat for long periods of time, you can get on-peak performance for an off-peak price.
These capabilities can save you 20 to 30 percent on heating bills without having to sacrifice the comfort and convenience of a traditional heating system. Our ETS systems don’t produce carbon monoxide, so they’re safe and require very minimal maintenance.
Annual Heating Cost Comparison
When evaluating a home heating system, it is important to consider both long-term operating costs and environmental impact. The comparison below provides a clear, side-by-side look at average annual heating costs and associated CO₂ emissions for common residential heating options, making it easier to understand how each system performs from both a financial and sustainability perspective.
ETS In Your Home
Step inside a home heated by Steffes heating systems and see firsthand how modern electric thermal storage can transform comfort, efficiency, and energy savings.
Steffes Electric Thermal Storage (ETS) systems work smarter, cleaner and greener to deliver increased warmth and reduced energy costs for customers wishing to replace their fuel burning central heating system with an electric one, as well as those who need to invest in a new system.
Explore Steffes ETS in our virtual home experience. This interactive walk-through illustrates how the Serenity forced-air furnace, and other Steffes systems, work with your home to increase comfort and efficiency.
Frequently Asked Questions
If you’re considering a Steffes ETS system, the questions and answers below address the most common curiosities homeowners have about affordability, installation, performance, and day-to-day use.
Ready to see this technology in action?
Explore Steffes furnace models and find the system built for your home.